Copy as Markdown

Other Tools

/* THIS FILE IS AUTOGENERATED FROM File.webidl BY Codegen.py - DO NOT EDIT */
#include <type_traits>
#include "AtomList.h"
#include "BlobBinding.h"
#include "FileBinding.h"
#include "MainThreadUtils.h"
#include "WrapperFactory.h"
#include "js/Array.h"
#include "js/CallAndConstruct.h"
#include "js/Exception.h"
#include "js/ForOfIterator.h"
#include "js/MapAndSet.h"
#include "js/Object.h"
#include "js/PropertyAndElement.h"
#include "js/PropertyDescriptor.h"
#include "js/experimental/JitInfo.h"
#include "jsfriendapi.h"
#include "mozilla/Atomics.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/ProfilerLabels.h"
#include "mozilla/dom/BindingCallContext.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/Blob.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/SimpleGlobalObject.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/dom/UnionTypes.h"
#include "mozilla/dom/WebIDLPrefs.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "nsContentUtils.h"
#include "nsIFile.h"
namespace mozilla::dom {
namespace binding_detail {}; // Just to make sure it's known as a namespace
using namespace mozilla::dom::binding_detail;
FilePropertyBag::FilePropertyBag()
: BlobPropertyBag(FastDictionaryInitializer())
{
// Safe to pass a null context if we pass a null value
Init(nullptr, JS::NullHandleValue);
}
bool
FilePropertyBag::InitIds(JSContext* cx, FilePropertyBagAtoms* atomsCache)
{
MOZ_ASSERT(reinterpret_cast<jsid*>(atomsCache)->isVoid());
// Initialize these in reverse order so that any failure leaves the first one
// uninitialized.
if (!atomsCache->lastModified_id.init(cx, "lastModified")) {
return false;
}
return true;
}
bool
FilePropertyBag::Init(BindingCallContext& cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
// Passing a null JSContext is OK only if we're initing from null,
// Since in that case we will not have to do any property gets
// Also evaluate isNullOrUndefined in order to avoid false-positive
// checkers by static analysis tools
MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
FilePropertyBagAtoms* atomsCache = nullptr;
if (cx) {
atomsCache = GetAtomCache<FilePropertyBagAtoms>(cx);
if (reinterpret_cast<jsid*>(atomsCache)->isVoid() &&
!InitIds(cx, atomsCache)) {
return false;
}
}
// Per spec, we init the parent's members first
if (!BlobPropertyBag::Init(cx, val)) {
return false;
}
bool isNull = val.isNullOrUndefined();
// We only need these if !isNull, in which case we have |cx|.
Maybe<JS::Rooted<JSObject *> > object;
Maybe<JS::Rooted<JS::Value> > temp;
if (!isNull) {
MOZ_ASSERT(cx);
object.emplace(cx, &val.toObject());
temp.emplace(cx);
}
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->lastModified_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
mLastModified.Construct();
if (!ValueToPrimitive<int64_t, eDefault>(cx, temp.ref(), "'lastModified' member of FilePropertyBag", &(mLastModified.Value()))) {
return false;
}
mIsAnyMemberPresent = true;
}
return true;
}
bool
FilePropertyBag::Init(JSContext* cx_, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
// We don't want to use sourceDescription for our context here;
// that's not really what it's formatted for.
BindingCallContext cx(cx_, nullptr);
return Init(cx, val, sourceDescription, passedToJSImpl);
}
void
FilePropertyBag::TraceDictionary(JSTracer* trc)
{
BlobPropertyBag::TraceDictionary(trc);
}
FilePropertyBag&
FilePropertyBag::operator=(const FilePropertyBag& aOther)
{
BlobPropertyBag::operator=(aOther);
mLastModified.Reset();
if (aOther.mLastModified.WasPassed()) {
mLastModified.Construct(aOther.mLastModified.Value());
}
return *this;
}
bool
FilePropertyBag::operator==(const FilePropertyBag& aOther) const
{
if (mLastModified != aOther.mLastModified) {
return false;
}
return true;
}
ChromeFilePropertyBag::ChromeFilePropertyBag()
: FilePropertyBag(FastDictionaryInitializer())
{
// Safe to pass a null context if we pass a null value
Init(nullptr, JS::NullHandleValue);
}
bool
ChromeFilePropertyBag::InitIds(JSContext* cx, ChromeFilePropertyBagAtoms* atomsCache)
{
MOZ_ASSERT(reinterpret_cast<jsid*>(atomsCache)->isVoid());
// Initialize these in reverse order so that any failure leaves the first one
// uninitialized.
if (!atomsCache->name_id.init(cx, "name") ||
!atomsCache->existenceCheck_id.init(cx, "existenceCheck")) {
return false;
}
return true;
}
bool
ChromeFilePropertyBag::Init(BindingCallContext& cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
// Passing a null JSContext is OK only if we're initing from null,
// Since in that case we will not have to do any property gets
// Also evaluate isNullOrUndefined in order to avoid false-positive
// checkers by static analysis tools
MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
ChromeFilePropertyBagAtoms* atomsCache = nullptr;
if (cx) {
atomsCache = GetAtomCache<ChromeFilePropertyBagAtoms>(cx);
if (reinterpret_cast<jsid*>(atomsCache)->isVoid() &&
!InitIds(cx, atomsCache)) {
return false;
}
}
// Per spec, we init the parent's members first
if (!FilePropertyBag::Init(cx, val)) {
return false;
}
bool isNull = val.isNullOrUndefined();
// We only need these if !isNull, in which case we have |cx|.
Maybe<JS::Rooted<JSObject *> > object;
Maybe<JS::Rooted<JS::Value> > temp;
if (!isNull) {
MOZ_ASSERT(cx);
object.emplace(cx, &val.toObject());
temp.emplace(cx);
}
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->existenceCheck_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), "'existenceCheck' member of ChromeFilePropertyBag", &mExistenceCheck)) {
return false;
}
} else {
mExistenceCheck = true;
}
mIsAnyMemberPresent = true;
if (!isNull) {
if (!JS_GetPropertyById(cx, *object, atomsCache->name_id, temp.ptr())) {
return false;
}
}
if (!isNull && !temp->isUndefined()) {
if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, mName)) {
return false;
}
} else {
mName.AssignLiteral(u"");
}
mIsAnyMemberPresent = true;
return true;
}
bool
ChromeFilePropertyBag::Init(JSContext* cx_, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
// We don't want to use sourceDescription for our context here;
// that's not really what it's formatted for.
BindingCallContext cx(cx_, nullptr);
return Init(cx, val, sourceDescription, passedToJSImpl);
}
void
ChromeFilePropertyBag::TraceDictionary(JSTracer* trc)
{
FilePropertyBag::TraceDictionary(trc);
}
ChromeFilePropertyBag&
ChromeFilePropertyBag::operator=(const ChromeFilePropertyBag& aOther)
{
FilePropertyBag::operator=(aOther);
mExistenceCheck = aOther.mExistenceCheck;
mName = aOther.mName;
return *this;
}
bool
ChromeFilePropertyBag::operator==(const ChromeFilePropertyBag& aOther) const
{
if (mExistenceCheck != aOther.mExistenceCheck) {
return false;
}
if (mName != aOther.mName) {
return false;
}
return true;
}
namespace File_Binding {
static_assert(IsRefcounted<NativeType>::value == IsRefcounted<Blob_Binding::NativeType>::value,
"Can't inherit from an interface with a different ownership model.");
MOZ_CAN_RUN_SCRIPT static bool
get_name(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"File", "name", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::File*>(void_self);
DOMString result;
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->GetName(result))>, "Should be returning void here");
MOZ_KnownLive(self)->GetName(result);
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
return false;
}
return true;
}
static const JSJitInfo name_getterinfo = {
{ get_name },
{ prototypes::id::File },
{ PrototypeTraits<prototypes::id::File>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
get_lastModified(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"File", "lastModified", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::File*>(void_self);
FastErrorResult rv;
int64_t result(MOZ_KnownLive(self)->GetLastModified(rv));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "File.lastModified getter"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
args.rval().set(JS_NumberValue(double(result)));
return true;
}
static const JSJitInfo lastModified_getterinfo = {
{ get_lastModified },
{ prototypes::id::File },
{ PrototypeTraits<prototypes::id::File>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_DOUBLE, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
get_webkitRelativePath(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"File", "webkitRelativePath", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::File*>(void_self);
DOMString result;
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->GetRelativePath(result))>, "Should be returning void here");
MOZ_KnownLive(self)->GetRelativePath(result);
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
return false;
}
return true;
}
static const JSJitInfo webkitRelativePath_getterinfo = {
{ get_webkitRelativePath },
{ prototypes::id::File },
{ PrototypeTraits<prototypes::id::File>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
get_mozFullPath(JSContext* cx, JS::Handle<JSObject*> obj, void* void_self, JSJitGetterCallArgs args)
{
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"File", "mozFullPath", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_GETTER) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
auto* self = static_cast<mozilla::dom::File*>(void_self);
FastErrorResult rv;
DOMString result;
// NOTE: This assert does NOT call the function.
static_assert(std::is_void_v<decltype(MOZ_KnownLive(self)->GetMozFullPath(result, SystemCallerGuarantee(), rv))>, "Should be returning void here");
MOZ_KnownLive(self)->GetMozFullPath(result, SystemCallerGuarantee(), rv);
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "File.mozFullPath getter"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
if (!xpc::NonVoidStringToJsval(cx, result, args.rval())) {
return false;
}
return true;
}
static const JSJitInfo mozFullPath_getterinfo = {
{ get_mozFullPath },
{ prototypes::id::File },
{ PrototypeTraits<prototypes::id::File>::Depth },
JSJitInfo::Getter,
JSJitInfo::AliasEverything, /* aliasSet. Not relevant for setters. */
JSVAL_TYPE_STRING, /* returnType. Not relevant for setters. */
false, /* isInfallible. False in setters. */
false, /* isMovable. Not relevant for setters. */
false, /* isEliminatable. Not relevant for setters. */
false, /* isAlwaysInSlot. Only relevant for getters. */
false, /* isLazilyCachedInSlot. Only relevant for getters. */
false, /* isTypedMethod. Only relevant for methods. */
0 /* Reserved slot index, if we're stored in a slot, else 0. */
};
MOZ_CAN_RUN_SCRIPT static bool
createFromNsIFile(JSContext* cx_, unsigned argc, JS::Value* vp)
{
BindingCallContext cx(cx_, "File.createFromNsIFile");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"File", "createFromNsIFile", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
JS::Rooted<JSObject*> obj(cx, &args.callee());
if (!args.requireAtLeast(cx, "File.createFromNsIFile", 1)) {
return false;
}
GlobalObject global(cx, xpc::XrayAwareCalleeGlobal(obj));
if (global.Failed()) {
return false;
}
nsIFile* arg0;
RefPtr<nsIFile> arg0_holder;
if (args[0].isObject()) {
JS::Rooted<JSObject*> source(cx, &args[0].toObject());
if (NS_FAILED(UnwrapArg<nsIFile>(cx, source, getter_AddRefs(arg0_holder)))) {
cx.ThrowErrorMessage<MSG_DOES_NOT_IMPLEMENT_INTERFACE>("Argument 1", "nsIFile");
return false;
}
MOZ_ASSERT(arg0_holder);
arg0 = arg0_holder;
} else {
cx.ThrowErrorMessage<MSG_NOT_OBJECT>("Argument 1");
return false;
}
binding_detail::FastChromeFilePropertyBag arg1;
if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2", false)) {
return false;
}
FastErrorResult rv;
auto result(StrongOrRawPtr<Promise>(mozilla::dom::File::CreateFromNsIFile(global, MOZ_KnownLive(NonNullHelper(arg0)), Constify(arg1), SystemCallerGuarantee(), rv)));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "File.createFromNsIFile"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
static_assert(!std::is_pointer_v<decltype(result)>,
"NewObject implies that we need to keep the object alive with a strong reference.");
if (!ToJSValue(cx, result, args.rval())) {
return false;
}
return true;
}
static const JSJitInfo createFromNsIFile_methodinfo = {
{ (JSJitGetterOp)createFromNsIFile },
{ prototypes::id::_ID_Count }, { 0 }, JSJitInfo::StaticMethod,
JSJitInfo::AliasEverything, JSVAL_TYPE_OBJECT, false, false,
false, false, 0
};
MOZ_CAN_RUN_SCRIPT static bool
createFromFileName(JSContext* cx_, unsigned argc, JS::Value* vp)
{
BindingCallContext cx(cx_, "File.createFromFileName");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"File", "createFromFileName", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::STRING_TEMPLATE_METHOD) |
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
JS::Rooted<JSObject*> obj(cx, &args.callee());
if (!args.requireAtLeast(cx, "File.createFromFileName", 1)) {
return false;
}
GlobalObject global(cx, xpc::XrayAwareCalleeGlobal(obj));
if (global.Failed()) {
return false;
}
binding_detail::FakeString<char16_t> arg0;
if (!ConvertJSValueToString(cx, args[0], eStringify, eStringify, arg0)) {
return false;
}
if (!NormalizeUSVString(arg0)) {
JS_ReportOutOfMemory(cx);
return false;
}
binding_detail::FastChromeFilePropertyBag arg1;
if (!arg1.Init(cx, (args.hasDefined(1)) ? args[1] : JS::NullHandleValue, "Argument 2", false)) {
return false;
}
FastErrorResult rv;
auto result(StrongOrRawPtr<Promise>(mozilla::dom::File::CreateFromFileName(global, Constify(arg0), Constify(arg1), SystemCallerGuarantee(), rv)));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "File.createFromFileName"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
static_assert(!std::is_pointer_v<decltype(result)>,
"NewObject implies that we need to keep the object alive with a strong reference.");
if (!ToJSValue(cx, result, args.rval())) {
return false;
}
return true;
}
static const JSJitInfo createFromFileName_methodinfo = {
{ (JSJitGetterOp)createFromFileName },
{ prototypes::id::_ID_Count }, { 0 }, JSJitInfo::StaticMethod,
JSJitInfo::AliasEverything, JSVAL_TYPE_OBJECT, false, false,
false, false, 0
};
static bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
mozilla::dom::File* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::File>(obj);
// We don't want to preserve if we don't have a wrapper, and we
// obviously can't preserve if we're not initialized.
if (self && self->GetWrapperPreserveColor()) {
PreserveWrapper(self);
}
return true;
}
static void
_finalize(JS::GCContext* gcx, JSObject* obj)
{
mozilla::dom::File* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::File>(obj);
if (self) {
JS::SetReservedSlot(obj, DOM_OBJECT_SLOT, JS::UndefinedValue());
ClearWrapper(self, self, obj);
if (size_t mallocBytes = BindingJSObjectMallocBytes(self)) {
JS::RemoveAssociatedMemory(obj, mallocBytes,
JS::MemoryUse::DOMBinding);
}
AddForDeferredFinalization<mozilla::dom::File>(self);
}
}
static nsWrapperCache*
_getWrapperCache(JS::Handle<JSObject*> obj)
{
mozilla::dom::File* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::File>(obj);
return self;
}
static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
mozilla::dom::File* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::File>(obj);
if (self) {
UpdateWrapper(self, self, obj, old);
}
return 0;
}
static const JSFunctionSpec sChromeStaticMethods_specs[] = {
JS_FNSPEC("createFromNsIFile", StaticMethodPromiseWrapper, &createFromNsIFile_methodinfo, 1, JSPROP_ENUMERATE, nullptr),
JS_FNSPEC("createFromFileName", StaticMethodPromiseWrapper, &createFromFileName_methodinfo, 1, JSPROP_ENUMERATE, nullptr),
JS_FS_END
};
static const PrefableDisablers sChromeStaticMethods_disablers0 = {
WebIDLPrefIndex::NoPref, GlobalNames::DedicatedWorkerGlobalScope | GlobalNames::ServiceWorkerGlobalScope | GlobalNames::SharedWorkerGlobalScope, false, OriginTrial(0), nullptr
};
static const Prefable<const JSFunctionSpec> sChromeStaticMethods[] = {
{ &sChromeStaticMethods_disablers0, &sChromeStaticMethods_specs[0] },
{ nullptr, nullptr }
};
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static const JSPropertySpec sAttributes_specs[] = {
JSPropertySpec::nativeAccessors("name", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &name_getterinfo, nullptr, nullptr),
JSPropertySpec::nativeAccessors("lastModified", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &lastModified_getterinfo, nullptr, nullptr),
JS_PS_END,
JSPropertySpec::nativeAccessors("webkitRelativePath", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &webkitRelativePath_getterinfo, nullptr, nullptr),
JS_PS_END
};
static const PrefableDisablers sAttributes_disablers3 = {
WebIDLPrefIndex::dom_webkitBlink_dirPicker_enabled, 0, false, OriginTrial(0), nullptr
};
static const Prefable<const JSPropertySpec> sAttributes[] = {
{ nullptr, &sAttributes_specs[0] },
{ &sAttributes_disablers3, &sAttributes_specs[3] },
{ nullptr, nullptr }
};
static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static const JSPropertySpec sChromeAttributes_specs[] = {
JSPropertySpec::nativeAccessors("mozFullPath", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &mozFullPath_getterinfo, nullptr, nullptr),
JS_PS_END
};
static const Prefable<const JSPropertySpec> sChromeAttributes[] = {
{ nullptr, &sChromeAttributes_specs[0] },
{ nullptr, nullptr }
};
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
"We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
"We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");
static uint16_t sNativeProperties_sortedPropertyIndices[3];
static PropertyInfo sNativeProperties_propertyInfos[3];
static const NativePropertiesN<1> sNativeProperties = {
false, 0,
false, 0,
false, 0,
true, 0 /* sAttributes */,
false, 0,
false, 0,
false, 0,
-1,
3,
sNativeProperties_sortedPropertyIndices,
{
{ sAttributes, &sNativeProperties_propertyInfos[0] }
}
};
static_assert(3 < 1ull << (CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount)),
"We have a property info count that is oversized");
static uint16_t sChromeOnlyNativeProperties_sortedPropertyIndices[3];
static PropertyInfo sChromeOnlyNativeProperties_propertyInfos[3];
static const NativePropertiesN<2> sChromeOnlyNativeProperties = {
true, 0 /* sChromeStaticMethods */,
false, 0,
false, 0,
true, 1 /* sChromeAttributes */,
false, 0,
false, 0,
false, 0,
-1,
3,
sChromeOnlyNativeProperties_sortedPropertyIndices,
{
{ sChromeStaticMethods, &sChromeOnlyNativeProperties_propertyInfos[0] },
{ sChromeAttributes, &sChromeOnlyNativeProperties_propertyInfos[2] }
}
};
static_assert(3 < 1ull << (CHAR_BIT * sizeof(sChromeOnlyNativeProperties.propertyInfoCount)),
"We have a property info count that is oversized");
bool sNativePropertiesInited = false;
const NativePropertyHooks sNativePropertyHooks = {
nullptr,
{ sNativeProperties.Upcast(), sChromeOnlyNativeProperties.Upcast(), &sNativePropertiesInited },
prototypes::id::File,
constructors::id::File,
&DefaultXrayExpandoObjectClass
};
static bool
_constructor(JSContext* cx_, unsigned argc, JS::Value* vp)
{
BindingCallContext cx(cx_, "File constructor");
AUTO_PROFILER_LABEL_DYNAMIC_FAST(
"File", "constructor", DOM, cx,
uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS));
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
JS::Rooted<JSObject*> obj(cx, &args.callee());
if (!args.isConstructing()) {
return ThrowConstructorWithoutNew(cx, "File");
}
JS::Rooted<JSObject*> desiredProto(cx);
if (!GetDesiredProto(cx, args,
prototypes::id::File,
CreateInterfaceObjects,
&desiredProto)) {
return false;
}
if (!args.requireAtLeast(cx, "File constructor", 2)) {
return false;
}
GlobalObject global(cx, obj);
if (global.Failed()) {
return false;
}
bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
binding_detail::AutoSequence<OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8String> arg0;
SequenceRooter<OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8String> arg0_holder(cx, &arg0);
if (args[0].isObject()) {
JS::ForOfIterator iter(cx);
if (!iter.init(args[0], JS::ForOfIterator::AllowNonIterable)) {
return false;
}
if (!iter.valueIsIterable()) {
cx.ThrowErrorMessage<MSG_CONVERSION_ERROR>("Argument 1", "sequence");
return false;
}
binding_detail::AutoSequence<OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8String> &arr = arg0;
JS::Rooted<JS::Value> temp(cx);
while (true) {
bool done;
if (!iter.next(&temp, &done)) {
return false;
}
if (done) {
break;
}
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8String* slotPtr = arr.AppendElement(mozilla::fallible);
if (!slotPtr) {
JS_ReportOutOfMemory(cx);
return false;
}
OwningArrayBufferViewOrArrayBufferOrBlobOrUTF8String& slot = *slotPtr;
if (!slot.Init(cx, temp, "Element of argument 1", false)) {
return false;
}
}
} else {
cx.ThrowErrorMessage<MSG_CONVERSION_ERROR>("Argument 1", "sequence");
return false;
}
binding_detail::FakeString<char16_t> arg1;
if (!ConvertJSValueToString(cx, args[1], eStringify, eStringify, arg1)) {
return false;
}
if (!NormalizeUSVString(arg1)) {
JS_ReportOutOfMemory(cx);
return false;
}
binding_detail::FastFilePropertyBag arg2;
if (!arg2.Init(cx, (args.hasDefined(2)) ? args[2] : JS::NullHandleValue, "Argument 3", false)) {
return false;
}
Maybe<JSAutoRealm> ar;
if (objIsXray) {
// Since our object is an Xray, we can just CheckedUnwrapStatic:
// we know Xrays have no dynamic unwrap behavior.
obj = js::CheckedUnwrapStatic(obj);
if (!obj) {
return false;
}
ar.emplace(cx, obj);
if (!JS_WrapObject(cx, &desiredProto)) {
return false;
}
for (uint32_t indexName0 = 0; indexName0 < arg0.Length(); ++indexName0) {
if (arg0[indexName0].IsArrayBufferView()) {
if (!arg0[indexName0].GetAsArrayBufferView().WrapIntoNewCompartment(cx)) {
return false;
}
}
else if (arg0[indexName0].IsArrayBuffer()) {
if (!arg0[indexName0].GetAsArrayBuffer().WrapIntoNewCompartment(cx)) {
return false;
}
}
}
}
FastErrorResult rv;
auto result(StrongOrRawPtr<mozilla::dom::File>(mozilla::dom::File::Constructor(global, Constify(arg0), Constify(arg1), Constify(arg2), rv)));
if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx, "File constructor"))) {
return false;
}
MOZ_ASSERT(!JS_IsExceptionPending(cx));
static_assert(!std::is_pointer_v<decltype(result)>,
"NewObject implies that we need to keep the object alive with a strong reference.");
if (!GetOrCreateDOMReflector(cx, result, args.rval(), desiredProto)) {
MOZ_ASSERT(JS_IsExceptionPending(cx));
return false;
}
return true;
}
static const DOMInterfaceInfo sInterfaceObjectInfo = {
{ _constructor, &sNativePropertyHooks },
Blob_Binding::GetConstructorObject,
prototypes::id::File,
PrototypeTraits<prototypes::id::File>::Depth,
true,
};
static const DOMIfaceAndProtoJSClass sPrototypeClass = {
{
"FilePrototype",
JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
JS_NULL_CLASS_OPS,
JS_NULL_CLASS_SPEC,
JS_NULL_CLASS_EXT,
JS_NULL_OBJECT_OPS
},
eInterfacePrototype,
prototypes::id::File,
PrototypeTraits<prototypes::id::File>::Depth,
&sNativePropertyHooks,
Blob_Binding::GetProtoObject
};
static const JSClassOps sClassOps = {
_addProperty, /* addProperty */
nullptr, /* delProperty */
nullptr, /* enumerate */
nullptr, /* newEnumerate */
nullptr, /* resolve */
nullptr, /* mayResolve */
_finalize, /* finalize */
nullptr, /* call */
nullptr, /* construct */
nullptr, /* trace */
};
static const js::ClassExtension sClassExtension = {
_objectMoved /* objectMovedOp */
};
static const DOMJSClass sClass = {
{ "File",
JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
&sClassOps,
JS_NULL_CLASS_SPEC,
&sClassExtension,
JS_NULL_OBJECT_OPS
},
{ prototypes::id::Blob, prototypes::id::File, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
std::is_base_of_v<nsISupports, mozilla::dom::File>,
&sNativePropertyHooks,
FindAssociatedGlobalForNative<mozilla::dom::File>::Get,
GetProtoObjectHandle,
GetCCParticipant<mozilla::dom::File>::Get(),
nullptr,
_getWrapperCache
};
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
"Must have the right minimal number of reserved slots.");
static_assert(1 >= 1,
"Must have enough reserved slots.");
bool
Wrap(JSContext* aCx, mozilla::dom::File* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
static_assert(!std::is_base_of_v<NonRefcountedDOMObject, mozilla::dom::File>,
"Shouldn't have wrappercached things that are not refcounted.");
static_assert(std::is_same_v<decltype(aObject), mozilla::dom::File*>);
MOZ_ASSERT(static_cast<mozilla::dom::Blob*>(aObject) ==
reinterpret_cast<mozilla::dom::Blob*>(aObject),
"Multiple inheritance for mozilla::dom::Blob is broken.");
MOZ_ASSERT(ToSupportsIsCorrect(aObject));
MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
MOZ_ASSERT(!aCache->GetWrapper(),
"You should probably not be using Wrap() directly; use "
"GetOrCreateDOMReflector instead");
MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
"nsISupports must be on our primary inheritance chain");
// If the wrapper cache contains a dead reflector then finalize that
// now, ensuring that the finalizer for the old reflector always
// runs before the new reflector is created and attached. This
// avoids the awkward situation where there are multiple reflector
// objects that contain pointers to the same native.
if (JSObject* oldReflector = aCache->GetWrapperMaybeDead()) {
_finalize(nullptr /* unused */, oldReflector);
MOZ_ASSERT(!aCache->GetWrapperMaybeDead());
}
JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
if (!global) {
return false;
}
MOZ_ASSERT(JS_IsGlobalObject(global));
JS::AssertObjectIsNotGray(global);
// That might have ended up wrapping us already, due to the wonders
// of XBL. Check for that, and bail out as needed.
aReflector.set(aCache->GetWrapper());
if (aReflector) {
#ifdef DEBUG
AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
#endif // DEBUG
return true;
}
JSAutoRealm ar(aCx, global);
JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
if (!canonicalProto) {
return false;
}
JS::Rooted<JSObject*> proto(aCx);
if (aGivenProto) {
proto = aGivenProto;
// Unfortunately, while aGivenProto was in the compartment of aCx
// coming in, we changed compartments to that of "parent" so may need
// to wrap the proto here.
if (js::GetContextCompartment(aCx) != JS::GetCompartment(proto)) {
if (!JS_WrapObject(aCx, &proto)) {
return false;
}
}
} else {
proto = canonicalProto;
}
BindingJSObjectCreator<mozilla::dom::File> creator(aCx);
creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
if (!aReflector) {
return false;
}
aCache->SetWrapper(aReflector);
creator.InitializationSucceeded();
MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
aCache->GetWrapperPreserveColor() == aReflector);
// If proto != canonicalProto, we have to preserve our wrapper;
// otherwise we won't be able to properly recreate it later, since
// we won't know what proto to use. Note that we don't check
// aGivenProto here, since it's entirely possible (and even
// somewhat common) to have a non-null aGivenProto which is the
// same as canonicalProto.
if (proto != canonicalProto) {
PreserveWrapper(aObject);
}
return true;
}
void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::File);
JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::File);
JS::Handle<JSObject*> parentProto(Blob_Binding::GetProtoObjectHandle(aCx));
if (!parentProto) {
return;
}
JS::Handle<JSObject*> constructorProto(Blob_Binding::GetConstructorObjectHandle(aCx));
if (!constructorProto) {
return;
}
dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
&sPrototypeClass, protoCache,
constructorProto, &sInterfaceObjectInfo, 2, false, Span<const LegacyFactoryFunction, 0>{},
interfaceCache,
sNativeProperties.Upcast(),
sChromeOnlyNativeProperties.Upcast(),
"File", aDefineOnGlobal,
nullptr,
false,
nullptr);
}
JSObject*
GetConstructorObject(JSContext* aCx)
{
return GetConstructorObjectHandle(aCx);
}
} // namespace File_Binding
} // namespace mozilla::dom